81 facet decagonal cut diamond



FIG. 1 is a perspective view from above and one side of the 81 facetdecagonal cut diamond according to our new design;

FIG. 2 is a side view thereof, all side views being symmetrical;

FIG. 3 is a top view thereof; and,

FIG. 4 is a bottom view thereof.

The ornamental design for an 81 facet decagonal cut diamond, as shownand described.